🇬🇧 When you say the word tarmac... You have just said a Scotsman's name.🏴
— Proudofus.uk (@ProudofusUK) June 13, 2026
Tar, laid over macadam. The macadam is the man.
John Loudon McAdam was born in Ayr in 1756. The Britain he grew up in moved at the speed of mud.
He was not an engineer and never trained as one. He was… pic.twitter.com/pa1Ki0GBht
